Table 1.

Isotopic composition (‰ δ13C) of the diet before the experiment

Food sourceδ13C (‰)
Alete-22.7a
Honey-26.0a
Nektar Plus-25.6±0.3
Pollen-26.7±0.5
Banana-23.7a
  • Values are means ± S.D.

    Alete, honey and Nektar Plus were the three main food sources during the initial week prior to the switch in diet. The food was supplemented by small amounts of pollen and banana.

  • a Single measurement.